DE3686306D1 - INJECTION MOLD FOR AN OPTICAL PLATE. - Google Patents

INJECTION MOLD FOR AN OPTICAL PLATE.

Info

Publication number
DE3686306D1
DE3686306D1 DE8686115023T DE3686306T DE3686306D1 DE 3686306 D1 DE3686306 D1 DE 3686306D1 DE 8686115023 T DE8686115023 T DE 8686115023T DE 3686306 T DE3686306 T DE 3686306T DE 3686306 D1 DE3686306 D1 DE 3686306D1
Authority
DE
Germany
Prior art keywords
injection mold
optical plate
optical
plate
mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
DE8686115023T
Other languages
German (de)
Other versions
DE3686306T2 (en
Inventor
Yoshio Onizawa
Yasushi Hiramatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daicel Corp
Original Assignee
Daicel Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17137182&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3686306(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Application granted granted Critical
Publication of DE3686306D1 publication Critical patent/DE3686306D1/en
Publication of DE3686306T2 publication Critical patent/DE3686306T2/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2608—Mould seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2648—Outer peripheral ring constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2657—Drive means for the outer peripheral ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/812—Venting
DE8686115023T 1985-11-01 1986-10-29 INJECTION MOLD FOR AN OPTICAL PLATE. Revoked DE3686306T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60245678A JPS62105616A (en) 1985-11-01 1985-11-01 Injection mold of optical disk

Publications (2)

Publication Number Publication Date
DE3686306D1 true DE3686306D1 (en) 1992-09-10
DE3686306T2 DE3686306T2 (en) 1992-12-17

Family

ID=17137182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115023T Revoked DE3686306T2 (en) 1985-11-01 1986-10-29 INJECTION MOLD FOR AN OPTICAL PLATE.

Country Status (4)

Country Link
US (1) US4741689A (en)
EP (1) EP0220725B1 (en)
JP (1) JPS62105616A (en)
DE (1) DE3686306T2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63130320A (en) * 1986-11-20 1988-06-02 Meiki Co Ltd Disk molding mold
DE3640561A1 (en) * 1986-11-27 1988-06-09 Kloeckner Ferromatik Desma Last for shoe uppers
JP2642158B2 (en) * 1988-08-16 1997-08-20 住友重機械工業株式会社 Mold for optical disk substrate molding
US5180595A (en) * 1989-03-31 1993-01-19 Hitachi Maxell, Ltd. Metal mold for resin substrate for an optical recording medium
JPH0460417U (en) * 1990-09-28 1992-05-25
US5427520A (en) * 1992-01-31 1995-06-27 Sony Corporation Mold device for fabricating disc substrate
US5852329A (en) * 1996-04-26 1998-12-22 Sony Corporation Optical disc molding device and molding method for optical disc
JP2002536778A (en) 1999-02-12 2002-10-29 ゼネラル・エレクトリック・カンパニイ Data storage medium
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
NL1012111C2 (en) * 1999-05-20 2000-11-23 Axxicon Moulds Eindhoven Bv Injection moulding tool, especially for making optical data discs, has ring between tool sections moved by piston cylinder units that apply less force as these sections get closer to each other
US6372175B1 (en) 1999-09-17 2002-04-16 General Electric Company Resin pellets for injection molding
JP2002240101A (en) * 2000-12-15 2002-08-28 Sony Corp Disk board and mold apparatus for injection molding the same, robot for fetching disk board
NL1017287C2 (en) * 2001-02-06 2002-08-07 Otb Group Bv Method and device for injection molding a plastic object.
CN100391620C (en) * 2001-04-19 2008-06-04 通用电气公司 Spin coated media
TWI232156B (en) * 2003-06-25 2005-05-11 Coretronic Corp Method for forming microstructure optical elements
US7906194B2 (en) * 2005-03-31 2011-03-15 Cinram International Inc. Optical disc with textured edge
WO2006123703A1 (en) * 2005-05-19 2006-11-23 Sumitomo Heavy Industries, Ltd. Mold for forming disc, method for manufacture same and mold parts
EP2465659A1 (en) * 2010-12-20 2012-06-20 Axxicon Moulds Eindhoven B.V. Die stamper assembly, injection compression moulding apparatus and method of manufacturing optical data carriers
JP6700702B2 (en) * 2015-09-30 2020-05-27 キヤノン株式会社 Injection mold, method for manufacturing molded product, method for manufacturing dome cover, and mold component
ES2681168B1 (en) * 2017-03-10 2019-06-21 Comercial De Utiles Y Moldes Sa Device for demolding negative in thermoplastic injection molds
JP6985187B2 (en) * 2018-03-15 2021-12-22 トヨタ自動車株式会社 Resin body mold

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1029488A (en) * 1910-12-14 1912-06-11 John E Burghoff Comb embossing and cutting dies.
US2998622A (en) * 1957-12-23 1961-09-05 Applic Ind Plastiques Soc D Apparatus for pressing gramophone records
DE2435272A1 (en) * 1974-07-23 1976-02-05 Westfaelische Metall Industrie SHUT-OFF DEVICE FOR THE VENTILATION CHANNEL OF A CASTING FORM
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
US4118168A (en) * 1977-05-02 1978-10-03 Husky Injection Molding Systems Limited Guidance system for shallow articles discharged from a mold cavity
GB1603844A (en) * 1977-08-24 1981-12-02 British Industrial Plastics Injection moulding machines
JPS5953858B2 (en) * 1978-05-13 1984-12-27 ダイセル化学工業株式会社 How to mold prescription lenses
NL7906117A (en) * 1979-08-10 1981-02-12 Philips Nv METHOD AND APPARATUS FOR MANUFACTURING A PLASTIC INFORMATION CARRIER
US4372741A (en) * 1980-10-31 1983-02-08 Discovision Associates Hot sprue valve assembly for an injection molding machine
FR2516286A1 (en) * 1981-11-06 1983-05-13 Thomson Csf METHOD OF OBTAINING A COPY-DISK FROM AN ORIGINAL ENGRAVING CARRIED BY A MATRIX
JPS5945497A (en) * 1982-09-08 1984-03-14 三菱電機株式会社 Electronic tone generator
JPS59153213U (en) * 1983-03-31 1984-10-15 株式会社吉野工業所 Injection mold equipment
JPS6129520A (en) * 1984-07-20 1986-02-10 Meiki Co Ltd Injector for thin disk
JPS61118221A (en) * 1984-11-14 1986-06-05 Matsushita Electric Ind Co Ltd Vacuum seal device of mold
JPS61121917A (en) * 1984-11-20 1986-06-09 Matsushita Electric Ind Co Ltd Mold device
DE3817500C1 (en) * 1988-05-21 1989-10-05 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De

Also Published As

Publication number Publication date
DE3686306T2 (en) 1992-12-17
EP0220725A3 (en) 1989-01-25
JPS62105616A (en) 1987-05-16
EP0220725A2 (en) 1987-05-06
EP0220725B1 (en) 1992-08-05
JPH0586328B2 (en) 1993-12-10
US4741689A (en) 1988-05-03

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation